Búsqueda Imágenes Maps Play YouTube Noticias Gmail Drive Más »
Iniciar sesión
Usuarios de lectores de pantalla: deben hacer clic en este enlace para utilizar el modo de accesibilidad. Este modo tiene las mismas funciones esenciales pero funciona mejor con el lector.

Patentes

  1. Búsqueda avanzada de patentes
Número de publicaciónUS5822886 A
Tipo de publicaciónConcesión
Número de solicitudUS 08/548,744
Fecha de publicación20 Oct 1998
Fecha de presentación25 Oct 1995
Fecha de prioridad25 Jul 1994
TarifaPagadas
También publicado comoDE69533837D1, DE69533837T2, EP0694264A2, EP0694264A3, EP0694264B1, US5461800
Número de publicación08548744, 548744, US 5822886 A, US 5822886A, US-A-5822886, US5822886 A, US5822886A
InventoresSimon Luthi, Xavier Kalin, Wolfgang Scholz, Edgar Stussi
Cesionario originalAdidas International, Bv
Exportar citaBiBTeX, EndNote, RefMan
Enlaces externos: USPTO, Cesión de USPTO, Espacenet
Midsole for shoe
US 5822886 A
Resumen
An integrally molded midsole for an athletic shoe having tubular suspension members disclosed. The tubular suspension members behave as springs and have spring constants which may be designed for a particular application by choice of the tube length, the tube wall thickness or the hardness of the tube material. Preferably, the midsole is made of an elastomer such as HYTREL that is cast in a preformed shape and thereafter subjected to substantial compressive forces so that the tubular springs take a compression set and thereafter perform as near-ideal springs.
Imágenes(3)
Previous page
Next page
Reclamaciones(39)
What is claimed:
1. A midsole for an athletic shoe comprising:
(a) a heel section including a at least one transversely arranged heel tube;
(b) a forefoot section including at least one transversely arranged forefoot tube having a slit-shaped aperture extending a length of the tube at its bottom;
(c) a top layer extending over the heel and forefoot sections and a midfoot section of the midsole; and
(d) a bottom layer extending under the heel tubes, forefoot tubes and the midfoot section and being discontinuous at, at least one slit-shaped aperture.
2. The midsole of claim 1, wherein the forefoot section includes a plurality of transversely arranged forefoot tube where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom and wherein some forefoot tubes are arranged along a medial margin of the midsole and some forefoot tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central forefoot region.
3. The midsole of claim 1, wherein the heel section includes a plurality of transversely arranged heel tubes wherein some heel tubes are arranged along a medial margin of the midsole and some heel tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central heel region.
4. The midsole of claim 1, wherein the forefoot section includes a plurality of transversely arranged forefoot tubes where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom, wherein the heel section includes a plurality of transversely arranged heel tubes and wherein some forefoot tubes are arranged along a medial margin of the midsole and some forefoot tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central forefoot region.
5. The midsole of claim 1, wherein the forefoot section includes a plurality of transversely arranged forefoot tubes where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom, wherein the heel section includes a plurality of transversely arranged heel tubes and wherein some heel tubes are arranged along a medial margin of the midsole and some heel tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central heel region.
6. The midsole of claim 1, wherein the forefoot section includes a plurality of transversely arranged forefoot tubes where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom, wherein the heel section includes a plurality of transversely arranged heel tubes and wherein some heel and forefoot tubes are arranged along a medial margin of the midsole and some heel and forefoot tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central region extending from the forefoot region to the heel region of the midsole.
7. A midsole for an athletic shoe comprising:
(a) a heel piece including:
(i) at least one transversely arranged heel tube;
(ii) a top layer extending over the heel piece; and
(iii) a bottom layer extending under the heel piece; and
(b) a forefoot piece including:
(i) at least one transversely arranged forefoot tube having a slit-shaped aperture extending a length of the tube at its bottom;
(ii) a top layer extending over the forefoot piece; and
(iii) a bottom layer extending under the forefoot piece and being discontinuous at, at least one slit-shaped aperture.
8. The midsole of claim 7, wherein the heel section and the forefoot section abut at a midfoot of a shoe.
9. The midsole of claim 7, wherein the heel piece is integrally formed.
10. The midsole of claim 7, wherein the forefoot piece is integrally formed.
11. The midsole of claim 7, wherein the forefoot piece includes a plurality of transversely arranged forefoot tube where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom and wherein some forefoot tubes are arranged along a medial margin of the midsole and some forefoot tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central forefoot region.
12. The midsole of claim 7, wherein the heel piece includes a plurality of transversely arranged heel tubes wherein some heel tubes are arranged along a medial margin of the midsole and some heel tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central heel region.
13. The midsole of claim 7, wherein the forefoot piece includes a plurality of transversely arranged forefoot tubes where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom, wherein the heel piece includes a plurality of transversely arranged heel tubes and wherein some forefoot tubes are arranged along a medial margin of the midsole and some forefoot tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central forefoot region.
14. The midsole of claim 7, wherein the forefoot piece includes a plurality of transversely arranged forefoot tubes where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom, wherein the heel piece includes a plurality of transversely arranged heel tubes and wherein some heel tubes are arranged along a medial margin of the midsole and some heel tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central heel region.
15. The midsole of claim 7, wherein the forefoot piece includes a plurality of transversely arranged forefoot tubes where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom, wherein the heel piece includes a plurality of transversely arranged heel tubes and wherein some heel and forefoot tubes are arranged along a medial margin of the midsole and some heel and forefoot tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central region extending from the forefoot region to the heel region of the midsole.
16. A midsole for an athletic shoe, comprising:
(a) a top layer;
(b) a bottom layer;
(c) a forefoot region;
(d) a heel region;
(e) a midfoot region;
(f) at least one shock-absorbing forefoot member interposed between the top and bottom layers in the forefoot region of the midsole and arranged transversely to a longitudinal axis of the midsole, each forefoot member including opposed concave-shaped webs and at least one forefoot member having a slit-shaped aperture extending a length of the member at its bottom between its two opposed concave-shaped webs; and
(g) at least one shock-absorbing rearfoot member interposed between the top and bottom layers in the heel region of the midsole and arranged transversely to the longitudinal axis of the midsole, each rearfoot member including opposed concave-shaped webs; and
where the top layer extends over the heel, midfoot and forefoot regions and the bottom layer extends under the heel, forefoot and midfoot regions and is discontinuous at, at least one slit-shaped aperture.
17. The midsole of claim 16, wherein the forefoot section includes a plurality of shock-absorbing forefoot member interposed between the top and bottom layers in the forefoot region of the midsole and arranged transversely to a longitudinal axis of the midsole, each forefoot member including opposed concave-shaped webs and at least one forefoot member having a slit-shaped aperture extending a length of the member at its bottom between its two opposed concave-shaped webs and wherein some forefoot web pairs are arranged along a medial margin of the midsole and some forefoot web pairs are arranged along a lateral margin of the midsole, thereby forming a central forefoot region having no webs therein.
18. The midsole of claim 16, wherein the heel section includes a plurality of shock-absorbing rearfoot member interposed between the top and bottom layers in the heel region of the midsole and arranged transversely to the longitudinal axis of the midsole, each rearfoot member including opposed concave-shaped webs and some heel web pairs are arranged along a lateral margin of the midsole, thereby forming a central heel region having no webs therein.
19. The midsole of claim 16, wherein the forefoot section includes a plurality of shock-absorbing forefoot member interposed between the top and bottom layers in the forefoot region of the midsole and arranged transversely to a longitudinal axis of the midsole, each forefoot member including opposed concave-shaped webs and at least one forefoot member having a slit-shaped aperture extending a length of the member at its bottom between its two opposed concave-shaped webs, wherein the heel section includes a plurality of shock-absorbing rearfoot member interposed between the top and bottom layers in the heel region of the midsole and arranged transversely to the longitudinal axis of the midsole, each rearfoot member including opposed concave-shaped webs and wherein some forefoot web pairs are arranged along a medial margin of the midsole and some forefoot web pairs are arranged along a lateral margin of the midsole, thereby forming a central forefoot region having no webs therein.
20. The midsole of claim 16, wherein the forefoot section includes a plurality of shock-absorbing forefoot member interposed between the top and bottom layers in the forefoot region of the midsole and arranged transversely to a longitudinal axis of the midsole, each forefoot member including opposed concave-shaped webs and at least one forefoot member having a slit-shaped aperture extending a length of the member at its bottom between its two opposed concave-shaped webs, wherein the heel section includes a plurality of shock-absorbing rearfoot member interposed between the top and bottom layers in the heel region of the midsole and arranged transversely to the longitudinal axis of the midsole, each rearfoot member including opposed concave-shaped webs and wherein some heel web pairs are arranged along a medial margin of the midsole and some heel web pairs are arranged along a lateral margin of the midsole, thereby forming a central heel region having no webs therein.
21. The midsole of claim 16, wherein the forefoot section includes a plurality of shock-absorbing forefoot member interposed between the top and bottom layers in the forefoot region of the midsole and arranged transversely to a longitudinal axis of the midsole, each forefoot member including opposed concave-shaped webs and at least one forefoot member having a slit-shaped aperture extending a length of the member at its bottom between its two opposed concave-shaped webs, wherein the heel section includes a plurality of shock-absorbing rearfoot member interposed between the top and bottom layers in the heel region of the midsole and arranged transversely to the longitudinal axis of the midsole, each rearfoot member including opposed concave-shaped webs and wherein some heel and forefoot web pairs are arranged along a medial margin of the midsole and some heel and forefoot web pairs are arranged along a lateral margin of the midsole, thereby forming a central region extending from the forefoot region to the heel region of the midsole and having no webs therein.
22. A midsole for an athletic shoe, comprising:
(a) a rearfoot piece including:
(i) a top layer;
(ii) a bottom layer;
(iii) at least one shock-absorbing rearfoot member interposed between the top and bottom layers and arranged transversely to the longitudinal axis of the midsole, each rearfoot member including opposed concave-shaped webs; and
where the top layer extends over the heel piece and the bottom layer extends under the heel piece;
(b) a forefoot piece including:
(i) a top layer;
(ii) a bottom layer;
(iii) at least one shock-absorbing forefoot member interposed between the top and bottom layers in the forefoot region of the midsole and arranged transversely to a longitudinal axis of the midsole, each forefoot member including opposed concave-shaped webs and at least one forefoot member having a slit-shaped aperture extending a length of the member at its bottom between its two opposed concave-shaped webs;
where the top layer extends over the forefoot piece and the bottom layer extends under the forefoot piece and is discontinuous at, at least one slit-shaped aperture; and
where a toe end of the heel piece abuts a heel end of the forefoot piece at a midfoot region of the midsole.
23. The midsole of claim 22, wherein the forefoot piece includes a plurality of shock-absorbing forefoot member interposed between the top and bottom layers in the forefoot region of the midsole and arranged transversely to a longitudinal axis of the midsole, each forefoot member including opposed concave-shaped webs and at least one forefoot member having a slit-shaped aperture extending a length of the member at its bottom between its two opposed concave-shaped webs and wherein some forefoot web pairs are arranged along a medial margin of the midsole and some forefoot web pairs are arranged along a lateral margin of the midsole, thereby forming a central forefoot region having no webs therein.
24. The midsole of claim 22, wherein the heel piece includes a plurality of shock-absorbing rearfoot member interposed between the top and bottom layers in the heel region of the midsole and arranged transversely to the longitudinal axis of the midsole, each rearfoot member including opposed concave-shaped webs and some heel web pairs are arranged along a lateral margin of the midsole, thereby forming a central heel region having no webs therein.
25. The midsole of claim 22, wherein the forefoot piece includes a plurality of shock-absorbing forefoot member interposed between the top and bottom layers in the forefoot region of the midsole and arranged transversely to a longitudinal axis of the midsole, each forefoot member including opposed concave-shaped webs and at least one forefoot member having a slit-shaped aperture extending a length of the member at its bottom between its two opposed concave-shaped webs, wherein the heel piece includes a plurality of shock-absorbing rearfoot member interposed between the top and bottom layers in the heel region of the midsole and arranged transversely to the longitudinal axis of the midsole, each rearfoot member including opposed concave-shaped webs and wherein some forefoot web pairs are arranged along a medial margin of the midsole and some forefoot web pairs are arranged along a lateral margin of the midsole, thereby forming a central forefoot region having no webs therein.
26. The midsole of claim 22, wherein the forefoot piece includes a plurality of shock-absorbing forefoot member interposed between the top and bottom layers in the forefoot region of the midsole and arranged transversely to a longitudinal axis of the midsole, each forefoot member including opposed concave-shaped webs and at least one forefoot member having a slit-shaped aperture extending a length of the member at its bottom between its two opposed concave-shaped webs, wherein the heel piece includes a plurality of shock-absorbing rearfoot member interposed between the top and bottom layers in the heel region of the midsole and arranged transversely to the longitudinal axis of the midsole, each rearfoot member including opposed concave-shaped webs and wherein some heel web pairs are arranged along a medial margin of the midsole and some heel web pairs are arranged along a lateral margin of the midsole, thereby forming a central heel region having no webs therein.
27. The midsole of claim 22, wherein the forefoot piece includes a plurality of shock-absorbing forefoot member interposed between the top and bottom layers in the forefoot region of the midsole and arranged transversely to a longitudinal axis of the midsole, each forefoot member including opposed concave-shaped webs and at least one forefoot member having a slit-shaped aperture extending a length of the member at its bottom between its two opposed concave-shaped webs, wherein the heel piece includes a plurality of shock-absorbing rearfoot member interposed between the top and bottom layers in the heel region of the midsole and arranged transversely to the longitudinal axis of the midsole, each rearfoot member including opposed concave-shaped webs and wherein some heel and forefoot web pairs are arranged along a medial margin of the midsole and some heel and forefoot web pairs are arranged along a lateral margin of the midsole, thereby forming a central region extending from the forefoot region to the heel region of the midsole and having no webs therein.
28. An athletic shoe comprising:
(a) an upper;
(b) a midsole including:
(i) a heel section having a at least one transversely arranged heel tube;
(ii) a forefoot section having at least one transversely arranged forefoot tube including a slit-shaped aperture extending its length at its bottom;
(iii) a top layer extending over the heel, midfoot and forefoot sections and fixedly connected to a bottom of the upper; and
(iv) a bottom layer extending under the heel tubes, forefoot tubes and the midfoot section and being discontinuous at, at least one slit-shaped aperture; and
(c) an undersole fixedly connected to the bottom layer of the midsole and including an expansion joint that is located coincident with at least one slit-shaped aperture.
29. The midsole of claim 28, wherein the forefoot section includes a plurality of transversely arranged forefoot tube where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom and wherein some forefoot tubes are arranged along a medial margin of the midsole and some forefoot tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central forefoot region.
30. The shoe of claim 28, wherein the heel section includes a plurality of transversely arranged heel tubes wherein some heel tubes are arranged along a medial margin of the midsole and some heel tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central heel region.
31. The shoe of claim 28, wherein the forefoot section includes a plurality of transversely arranged forefoot tubes where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom, wherein the heel section includes a plurality of transversely arranged heel tubes and wherein some forefoot tubes are arranged along a medial margin of the midsole and some forefoot tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central forefoot region.
32. The shoe of claim 28, wherein the forefoot section includes a plurality of transversely arranged forefoot tubes where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom, wherein the heel section includes a plurality of transversely arranged heel tubes and wherein some heel tubes are arranged along a medial margin of the midsole and some heel tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central heel region.
33. The shoe of claim 28, wherein the forefoot section includes a plurality of transversely arranged forefoot tubes where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom, wherein the heel section includes a plurality of transversely arranged heel tubes and wherein some heel and forefoot tubes are arranged along a medial margin of the midsole and some heel and forefoot tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central region extending from the forefoot region to the heel region of the midsole.
34. An athletic shoe comprising:
(a) an upper;
(b) a midsole including:
(i) a heel piece including:
(1) at least one transversely arranged heel tube;
(2) a top layer extending over the heel piece and fixedly connected to a heel region of a bottom of the upper; and
(3) a bottom layer extending under the heel piece; and
(ii) a forefoot piece including:
(1) at least one transversely arranged forefoot tube having a slit-shaped aperture extending a length of the tube at its bottom;
(2) a top layer extending over the forefoot piece and fixedly connected to a forefoot region of the bottom of the upper and abutting a toe side of the heel piece at its heel side in a midfoot region of the upper; and
(3) a bottom layer extending under the forefoot piece and being discontinuous at, at least one slit-shaped aperture; and
(c) an undersole fixedly connected to the bottom layer of the heel and to the bottom layer of the forefoot piece of the midsole and including at least one expansion joint that is located coincident with at least one slit-shaped aperture.
35. The shoe of claim 34, wherein the forefoot section includes a plurality of transversely arranged forefoot tube where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom and wherein some forefoot tubes are arranged along a medial margin of the midsole and some forefoot tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central forefoot region.
36. The shoe of claim 34, wherein the heel section includes a plurality of transversely arranged heel tubes wherein some heel tubes are arranged along a medial margin of the midsole and some heel tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central heel region.
37. The shoe of claim 34, wherein the forefoot section includes a plurality of transversely arranged forefoot tubes where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom, wherein the heel section includes a plurality of transversely arranged heel tubes and wherein some forefoot tubes are arranged along a medial margin of the midsole and some forefoot tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central forefoot region.
38. The shoe of claim 34, wherein the forefoot section includes a plurality of transversely arranged forefoot tubes where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom, wherein the heel section includes a plurality of transversely arranged heel tubes and wherein some heel tubes are arranged along a medial margin of the midsole and some heel tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central heel region.
39. The shoe of claim 34, wherein the forefoot section includes a plurality of transversely arranged forefoot tubes where at least one forefoot tube has a slit-shaped aperture extending a length of the tube at its bottom, wherein the heel section includes a plurality of transversely arranged heel tubes and wherein some heel and forefoot tubes are arranged along a medial margin of the midsole and some heel and forefoot tubes are arranged along a lateral margin of the midsole, thereby forming a tubeless central region extending from the forefoot region to the heel region of the midsole.
Descripción

This application is a continuation of U.S. patent applicatiaon Ser. No. 08/280,208, filed Jul. 25, 1994 now U.S. Pat. No. 5,461,800.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to soles for shoes and more particularly relates to a midsole for an athletic shoe.

2. Description of Related Art

Soles in athletic shoes are expected to provide shock absorption and stability. Shock absorption minimizes the impact of a runner's footfalls to lessen stress on the leg muscles and joints. Stability is necessary to control the amount of lateral motion of a foot in order to prevent over pronation thereby lessen the stress on the lower legs.

During normal motion, the foot of a typical runner hits the ground heel first. The foot then rolls forwardly and inwardly over the ball of the foot. During the time that the foot is moving from heel strike to the ball of the foot, the foot is typically rolling from the outside or lateral side, to the inside or medial side of the foot; a process called pronation. After the ball contacts the ground, the foot continues rolling forward onto the toes. During motion through ball and toe contact, the foot rotates outward as the toes prepare to push off; a process called supination. The foot remains supinated while it is lifted off the ground between footfalls.

Pronation, the inward roll of the foot in contact with the ground, although normal, can be a potential source of foot and leg injury if it is excessive. Many prior art soles have been designed with the goal of preventing over pronation and controlling supination. The lateral motion of the foot, that is abduction and adduction, can be controlled by providing a stable sole. However, as the stability of the sole increases, the shock absorption properties of the sole decrease. Thus, soles must be designed to properly balance the properties of stability and shock absorption to provide optimum characteristics for both parameters. This design goal is further complicated by the fact that foot size is largely unrelated to body mass. For example, two people of equal weight may have feet that are two or three sizes apart and conversely, two people with the same foot size may have substantially different body mass. Thus, a shoe that is stable for a 130 pound, size 9 runner may not be stable for a 160 pound, size 9 runner.

Durability of the midsole, as measured by its ability to withstand cyclical loading without degradation of midsole properties, is also an important design goal. Most present-day athletic shoes use a midsole of an elastomeric foam, such as ethylene vinyl acetate (EVA). EVA foam allows designers to adjust the density, and hence the hardness, of the foam to provide various midsole properties in an attempt to balance shock absorption and stability. As is well-known to those skilled in the art, the higher-density EVAs provide a stable platform but less shock absorption, while the low-density EVA foams provide better shock absorption but less stability because they cannot control the lateral movement of the foot. EVA foams typically have a useful life of approximately 800,000 cycles before there is a noticeable degradation in their performance. For these and other reasons, there is a continuing search for alternative midsole designs.

Cohen, U.S. Pat. Nos. 4,753,021 and 4,754,559, discloses a midsole for a shoe having a sheet of rubber-like material with a plurality of ribs separating an upper and lower surface. As a load is applied to the midsole the ribs collapse thereby absorbing energy. As a load is removed the resilient nature of the ribs causes them to spring back to their previous shape. Cohen discloses plural embodiments including those in which the ribs form channels that are arranged parallel to, and orthogonal to a longitudinal axis of the elongate sole. Because of the design and choice of materials, Cohen would not represent an enhanced performance sole for use in an athletic shoe.

SUMMARY OF THE INVENTION

The present invention seeks to provide a midsole having superior stability and shock absorption properties in a midsole design that can be customized for different applications and body-type characteristics. In addition the present invention seeks to provide a high performance midsole having superior durability.

A preferred embodiment of the present invention provides a molded midsole formed of an elastomer whose ratio of plastic deformation to elastic deformation is greater than 1.5 to 1. Preferably, the elastomer is a copolyester polymer elastomer such as that manufactured and sold by E. I. duPont de Nemours under the trademark HYTREL. The present invention has been cyclically loaded to 1.2 million cycles before suffering a degradation of performance. This represents a 50% increase in useful life over typical prior art EVA foam soles.

In the preferred embodiment, the midsole is an integral, one-piece-molded midsole having a curvilinear, elongate top surface and a plurality of integrally molded, transversely arranged tubes which individually function as compression spring elements. A lower surface is integrally molded with the lower portion of the tubes thereby providing more structural integrity for the midsole and providing a surface upon which an outer sole may be applied.

The performance properties of the midsole can be controlled by changing the spring constant of the tubes such as by increasing the wall thickness of the tubes, increasing the tubes' length or the hardness of the material. For example, in the heel section of a preferred embodiment, short tube segments are provided along lateral and medial edges of the midsole thereby providing a central opening having no tubes therein. The midsole can be designed so that the tubes along the medial edge have thicker wall sections, or are slightly longer, than the tubes along the lateral edge, thereby creating a higher spring constant and providing control for over pronation. Also, a preferred embodiment includes forefoot tubes having slit-shaped openings along their length to permit a great deal of midsole flexibility along the longitudinal direction. Additionally, the wall thickness of the forefoot tube can be greater along the medial edge than the lateral edge, or vice versa, to provide lateral stability for different types of runners, e.g., over pronators.

In other preferred embodiments of the invention the midsole is manufactured in two pieces comprising a forefoot section and a rearfoot section. Each individual section would substantially resemble its respective portion of the one-piece integrally molded midsole. However, by manufacturing the midsole in two pieces it may be possible to reduce the number of manufacturing molds. Additionally, it would be possible to mix properties between various rearfoot sections and forefoot sections. For example, a rearfoot section designed for a heavy heelstrike-type runner and having good shock absorption could be combined with a forefoot section providing substantial stability against over pronation.

Various advantages and features of novelty which characterize the invention are particularized in the claims forming a part hereof. However, for a better understanding of the invention, its advantages, and objects obtained by its use, reference should be had to the drawings which form a part hereof and to the accompanying descriptive matter in which there is illustrated and described preferred embodiments of the invention.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a side view of a running shoe worn by a runner.

FIG. 2 is a top plan view of a preferred embodiment of a midsole of the present invention.

FIG. 3 is a side elevation view taken of the midsole of FIG. 2.

FIG. 4 is a perspective bottom view of a preferred embodiment of a midsole of the present invention.

FIG. 5 is an elevational cross-section taken along lines 5--5 of FIG. 8.

FIG. 6 is a side elevation view wherein a midsole is flexed along a forefoot portion.

FIG. 7 is a detail of a side elevation view of a preform heel portion of a midsole of the present invention.

FIG. 8 is a detail of a side elevation view of a heel portion of a midsole of the present invention.

FIG. 9 is a bottom perspective view of a midsole of an alternative embodiment of the present invention.

FIG. 10 is a side elevation view of the midsole and further showing an attached outer sole.

FIG. 11 is a top plan view of an alternative embodiment of the midsole of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

FIG. 1 shows a midsole 10 of the present invention in its preferred environment as a midsole for an athletic shoe 12 to be worn by a runner or the like. Typically, the shoe 12 is attached to the runner's foot by a lacing system 14.

With reference to FIGS. 2-8, a preferred embodiment of the midsole 10 is shown as a one-piece, injection-molded elastomer having a top surface 16, a bottom surface 18, and a plurality of structural webs 20 that extend between the top surface 16 and the bottom surface 18. Preferably, the structural webs 20 form a tubular structure that is integrally formed with the top and bottom surfaces.

Conceptually, the midsole 10 can be divided into a forefoot section 22 and a heel section 24. Preferably, the structural webs 20 along the heel section 24 form heel tubes 26 that extend inward from a medial edge 28 and from a lateral edge 30. As best shown in FIG. 4, a preferred embodiment of the present invention has discontinuous heel tubes 26 that extend from the medial and lateral edges 28 and 30, respectively, toward a central region 32 of the midsole having no tubes therein. The central region is bounded by heel tubes 26, bottom surface 18 and top surface 16. Further, in the heel section 24, the bottom surface 18 forms a "U"-shaped surface having legs 34 and 36 that extend from a rear tip 38 of the midsole toward the forefoot section 22. Associated with each leg 34, 36 is a width 34', 36', the significance of which will be explained below. Other embodiments of the heel section 24 may include heel tubes 26 that are continuous between the medial and lateral edges 28, 30, in which case the bottom surface 18 would extend substantially over the heel section 24 and there would be no tubeless central region 32.

The forefoot section 22 similarly comprises the integrally formed top surface 16, bottom surface 18 and intermediate structural webs 20. As with the heel section, the structural webs 20 preferably form elongate tubular members 40, hereinafter referred to as the forefoot tubes 40. In the preferred embodiment the forefoot tubes 40 have slit-shaped openings 42 that extend along the length of the forefoot tubes. The openings 42 permit substantial longitudinal flexibility in the forefoot section 22. In FIG. 6, the midsole 10 is shown with the forefoot section 22 flexed, and the slit openings 42 are shown spread open from their relaxed state. Substantial flexibility of the forefoot section along its longitudinal direction is a desirable property so that the athletic shoe 12 does not inhibit the natural tendency of the foot to roll from the heel onto the ball of the foot and onto the toe for push-off as the runner goes through a stride. The bottom surface is discontinuous at the openings 42.

In a preferred embodiment shown in FIG. 4, the forefoot tubes 40 extend continuously from the medial edge 28 to the lateral edge 30. In an alternative embodiment, shown in FIG. 9, the forefoot tubes 40 are discontinuous between the medial and lateral edges, thereby forming a central forefoot region 44 having no tubes therein. The bottom surface 18 forms a "U"-shaped surface around the central forefoot region 44 thus forming legs 46 and 48 having widths 46' and 48', respectively. The significance of the leg widths 46', 48' will be explained below. By forming the tubeless central forefoot region, the forefoot section becomes more flexible laterally.

Preferably, the entire midsole is injection molded as one integral piece of an elastomer having a tensile characteristic such that the ratio of plastic strain to elastic strain is greater than 1.5 to 1. One such elastomer is a copolyester polymer elastomer manufactured and sold by E. I. duPont de Nemours under the trademark HYTREL. HYTREL is reasonably inert and significantly, it is quite durable. Moreover, HYTREL is not subject to tear propagation even when made in relatively thin cross-sections. The preferred embodiments of the midsole use dupont's HYTREL composition number 5556. For a more complete description of this elastomer, see U.S. Pat. No. 4,198,037 and references cited therein. U.S. Pat. No. 4,198,037 is hereby incorporated herein by reference.

As noted, the midsole 10 is preferably injection molded of HYTREL. It is well known that HYTREL will take a compression set. For this reason, the midsole of the present invention is molded into a preform and is subsequently compressed to take that set. As is taught in U.S. Pat. No. 5,280,890, compression of the HYTREL material also results in orientation of the molecular structure and enhances the spring characteristics of the material.

The effect of this compression is illustrated in FIGS. 7 and 8. FIG. 7 illustrates the preform configuration, wherein the heel tubes 26 have been preformed into an oval cross-section so the tubes 26 are "tall," thereby providing a greater separation between the top surface 16 and the bottom surface 18. After the preform has been removed from the mold and annealed at room temperature for up to 24 hours. It is then compressed, preferably to a solid position. That is, the top surface 16 is pressed toward the bottom surface 18 thus radially compressing the heel tubes 26 and forefoot tubes 40. The midsole is compressed until it is "solid," wherein further force will not further move the surfaces together.

Upon release of the compressive force, the tubes 26, 40 will partially spring back to a somewhat circular configuration as shown in FIG. 8. The midsole takes a "set" in this position. Thereafter, the tubes 26, 40 may be partially compressed during use by the runner, but as the runner's weight is removed, the springs will completely return to their set configuration, such as is shown in FIG. 8. A complete description of the compression set procedure is provided in U.S. Pat. No. 5,280,890, which is hereby incorporated by reference. Material made in accordance with the above referenced compression set procedure is available from Miner Elastomeric Products Corporation of Geneva, Ill. under the brand name TECSPAK®.

The heel tubes 26 and the forefoot tubes 40 have the characteristics of springs and therefore have a measurable spring constant. It has not yet been determined whether the spring constant for the tubes of the present invention is a constant, or a function of the amount of compressive travel of the tubes. Furthermore, it has not yet been determined what the proper spring constant would be for the various configurations disclosed herein. However, it is known that various modifications to the configurations disclosed herein will affect the spring constant of the tubes so that the midsole 10 can be designed for particular types and weights of runners after empirical data has been collected.

The spring constant of the tubes can be increased by providing a longer tube. When the midsole 10 is loaded, the surfaces 16, 18 will move towards one another, thereby radially compressing the tubes under the given load. Obviously, a one-inch tube will radially compress more than a two-inch tube under the same load. Thus, the longer tube will have a higher spring constant. In the context of an athletic shoe, the higher spring constant means that the tube will provide greater stability but less cushioning.

The tubes 26, 40 have wall thicknesses 50 and 52, respectively which also affect the spring constants. A thicker wall thickness 50 or 52 will produce a higher spring constant. In the preferred embodiment of the present invention, the wall thickness of a particular heel tube 26 is constant along the length of the tube. The wall thickness of the forefoot tubes 40 varies between the medial edge 28 and the lateral edge 30, preferably in a step-wise fashion, wherein the wall thickness would be a constant along a portion of the forefoot tube 40, and the wall thickness would jump to a different thickness at some point along the length of the tube. Alternatively, it is envisioned that any of the tubes could be provided with a tapering wall thickness wherein the wall thickness changes gradually from one end to the other of a particular tube.

The preferred embodiment includes a two-stage spring constant in the heel section 24. The heel tubes 26 have a spacing 27 between the opposite walls of adjacent tubes. The spacing 27 is chosen so that those opposing walls touch as the tubes 26 are compressed. Further compression causes the tubes to press against each other thereby limiting the motion of the tube walls and changing the spring constant for further loading. Thus, the heel tubes 26 have an initial spring constant at the onset of compression and after the opposing walls of adjacent tubes make contact, the tubes have a different, higher spring constant.

It is envisioned that the ability to control the spring constants can be used in various combinations to precisely control the performance characteristics of the midsole. For example, in a preferred embodiment of the present invention, the heel tubes 26 are provided with a constant wall thickness, but the width 36' of the lateral leg 36 could be less than the corresponding width 34', thereby placing shorter tubes 26 on the lateral side 30 as compared to the tubes on the medial side 28. This configuration would create a shoe having a higher spring constant along its medial edge to resist over pronation. In a preferred embodiment, the width 36' is approximately 24 mm and the width 34' is approximately 26 mm.

Furthermore, the spring constant of the forefoot tubes 40 may be tailored by providing thicker wall sections in the tubes 40 in the regions proximate the medial edge 30 as compared to the wall thickness of the tubes 40 in the region close to the lateral edge 28. The varying wall thicknesses can be incorporated into the embodiments shown in FIG. 4 and FIG. 9.

As is shown in FIG. 5, the heel tubes 26 are provided with beveled ends 26' so that the transverse width of the bottom surface 18 is greater than the transverse width of the top surface 16 at any particular point along the longitudinal length of the midsole 10. By providing a wider bottom surface, the midsole is able to provide greater stability for the athletic shoe 12.

In the preferred embodiment of the present invention, the midsole 10 is provided with an outer sole 54, which is affixed to the bottom surface 18. Preferably, the outer sole 54 is made of a material having a high scuff resistance and substantial durability. Preferably, the outer sole 54 is provided with expansion joints 56 that cover one or more of the slit openings 42, thereby allowing the forefoot section to flex and permitting the slit openings to expand.

An alternative embodiment may include the midsole of the present invention fabricated into two sections. As shown in FIG. 11, the two sections would comprise a forefoot section 58 and a rearfoot section 60.

Making the midsole 10 into two sections provides numerous advantages. It may be possible to cut down on the number of molds necessary to provide midsoles for the full range of shoe sizes. For example, it may be possible to provide three different sizes of heel sections 60, while providing five different sizes of forefoot sections 58. The various sections can be mixed to provide the full range of shoe sizes.

Also, by providing a midsole in two sections, it is possible to design sections to meet specific performance requirements. For example, a rearfoot section 60 may be designed for a size 9, 150-pound runner having a substantial over pronation problem, and another heel section 60 may be designed for a size 9, 150-runner who under pronates. Likewise, the spring constants in the forefoot section 58 can be specifically tailored to different runners and performance characteristics.

The optimum values for the design parameters stated herein will be determined after extensive empirical data is collected. At present, the specific design parameters, such as, for example, optimum heel tube thickness and length for an over-pronating, 150 pound runner are unknown, and it is envisioned that physical testing will be necessary to determine such parameters.

Numerous characteristics and advantages of the invention have been set forth in the foregoing description, together with details of the structure and function of the invention. The novel features hereof are pointed out in the appended claims. The disclosure is illustrative only, and changes may be made in detail, especially in matters of shape, size, and arrangement of parts within the principle of the invention to the full extent indicated by the broad general meaning of the terms in the claims.

Citas de patentes
Patente citada Fecha de presentación Fecha de publicación Solicitante Título
US1498838 *16 Mar 192324 Jun 1924Harrison Jr James ThomasPneumatic shoe
US3005272 *8 Jun 195924 Oct 1961Frank MakaraPneumatic shoe sole
US4198037 *19 Dic 197715 Abr 1980Miner Enterprises, Inc.Method of making polyester elastomer compression spring and resulting product
US4535553 *12 Sep 198320 Ago 1985Nike, Inc.Shock absorbing sole layer
US4593482 *30 Jul 198410 Jun 1986Bata Schuh AgModular substrate sole for footwear
US4753021 *8 Jul 198728 Jun 1988Cohen ElieShoe with mid-sole including compressible bridging elements
US4754559 *27 May 19875 Jul 1988Cohen ElieShoe with midsole including deflection inhibiting inserts
US4782603 *12 Ago 19868 Nov 1988The Summa Group LimitedMidsole
US4864738 *19 Jul 198812 Sep 1989Zvi HorovitzSole construction for footwear
US4914836 *11 May 198910 Abr 1990Zvi HorovitzCushioning and impact absorptive structure
US5005300 *7 Mar 19909 Abr 1991Reebok International Ltd.Tubular cushioning system for shoes
US5117566 *2 May 19912 Jun 1992Lloyd Amie JShoe construction with a sole formed of pneumatic tubes
US5280890 *22 Ene 199225 Ene 1994Miner Enterprises, Inc.Radial elastomer compression spring
US5337492 *6 May 199316 Ago 1994Adidas AgShoe bottom, in particular for sports shoes
US5577334 *27 Jul 199526 Nov 1996Park; YoungsoulCushioning outsole
US5628128 *7 Jun 199513 May 1997American Sporting Goods Corp.Sole construction for footwear
FR958766A * Título no disponible
FR2088626A5 * Título no disponible
IT331247A * Título no disponible
Citada por
Patente citante Fecha de presentación Fecha de publicación Solicitante Título
US6115943 *28 Jul 199812 Sep 2000Gyr; KajFootwear having an articulating heel portion
US644987810 Mar 200017 Sep 2002Robert M. LydenArticle of footwear having a spring element and selectively removable components
US6568102 *24 Feb 200027 May 2003Converse Inc.Shoe having shock-absorber element in sole
US660104217 May 200029 Jul 2003Robert M. LydenCustomized article of footwear and method of conducting retail and internet business
US6718655 *3 May 200213 Abr 2004Fumio SugawaraFootwear bottom
US6843000 *29 Dic 199818 Ene 2005Young Soul ParkShoe outer sole, method for its manufacture, and mold therefor
US692070518 Mar 200326 Jul 2005Adidas International Marketing B.V.Shoe cartridge cushioning system
US7216443 *31 Mar 200515 May 2007Oakley, Inc.Elevated support matrix for a shoe and method of manufacture
US7290357 *1 Abr 20056 Nov 2007Nike, Inc.Article of footwear with an articulated sole structure
US731412527 Sep 20041 Ene 2008Nike, Inc.Impact attenuating and spring elements and products containing such elements
US7334349 *24 Ago 200426 Feb 2008Nike, Inc.Midsole element for an article of footwear
US7334351 *7 Jun 200426 Feb 2008Energy Management Athletics, LlcShoe apparatus with improved efficiency
US733755922 Dic 20054 Mar 2008Newton Running Company, Inc.Sole construction for energy storage and rebound
US738364710 Mar 200510 Jun 2008New Balance Athletic Shoe, IncMechanical cushioning system for footwear
US7398608 *18 May 200615 Jul 2008Wolverine World Wide, Inc.Footwear sole
US745817227 Sep 20042 Dic 2008Nike, Inc.Impact attenuating devices and products containing such devices
US7565754 *7 Abr 200628 Jul 2009Reebok International Ltd.Article of footwear having a cushioning sole
US762451530 May 20061 Dic 2009Mizuno CorporationSole structure for a shoe
US763703321 Dic 200729 Dic 2009Nike, Inc.Midsole element for an article of footwear
US764067921 Dic 20075 Ene 2010Nike, Inc.Midsole element for an article of footwear
US764451825 Feb 200812 Ene 2010Adidas International Marketing B.V.Structural element for a shoe sole
US7707743 *19 May 20064 May 2010Nike, Inc.Article of footwear with multi-layered support assembly
US77306355 Jun 20068 Jun 2010Nike, Inc.Impact-attenuation members and products containing such members
US775277511 Sep 200613 Jul 2010Lyden Robert MFootwear with removable lasting board and cleats
US77574105 Jun 200620 Jul 2010Nike, Inc.Impact-attenuation members with lateral and shear force stability and products containing such members
US777030623 Ago 200710 Ago 2010Lyden Robert MCustom article of footwear
US777955710 Sep 200924 Ago 2010Skechers U.S.A., Inc. IiShoe
US77888247 Jun 20057 Sep 2010Energy Management Athletics, LlcShoe apparatus with improved efficiency
US7793432 *19 May 200814 Sep 2010New Balance Athletic Shoe, Inc.Mechanical cushioning system for footwear
US779829828 Dic 200721 Sep 2010Nike, Inc.Impact attenuating and spring elements and products containing such elements
US787789722 Jul 20101 Feb 2011Skechers U.S.A., Inc. IiShoe
US787790018 Sep 20091 Feb 2011Newton Running Company, Inc.Sole construction for energy and rebound
US788646012 Jul 201015 Feb 2011Skecher U.S.A., Inc. IIShoe
US792158019 Ene 201012 Abr 2011Newton Running Company, Inc.Sole construction for energy storage and rebound
US794193911 Dic 200917 May 2011Nike, Inc.Midsole element for an article of footwear
US794194014 Dic 201017 May 2011Skechers U.S.A., Inc. IiShoe
US794605816 Ene 200824 May 2011Nike, Inc.Article of footwear having a sole structure with an articulated midsole and outsole
US79542594 Abr 20077 Jun 2011Adidas International Marketing B.V.Sole element for a shoe
US797993624 Oct 200819 Jul 2011Nike, Inc.Methods of making impact attenuating devices and products containing such devices
US7992324 *13 May 20089 Ago 2011Reebok International Ltd.Stable footwear that accommodates shear forces
US805626326 Abr 201015 Nov 2011Nike, Inc.Article of footwear with multi-layered support assembly
US81226152 Jul 200828 Feb 2012Adidas International Marketing B.V.Structural element for a shoe sole
US81462702 Abr 20103 Abr 2012Nike, Inc.Impact-attenuation members and products containing such members
US81766574 Dic 200615 May 2012Nike, Inc.Article of footwear with tubular support structure
US8181361 *24 Feb 200922 May 2012Mizuno CorporationSole structure for a shoe
US82098838 Jul 20103 Jul 2012Robert Michael LydenCustom article of footwear and method of making the same
US8220182 *7 Dic 200517 Jul 2012Tn & Co. Di Lucio RighettoFootwear sole and footwear having said sole
US831655829 Abr 200927 Nov 2012Skechers U.S.A., Inc. IiShoe
US832204829 Jun 20104 Dic 2012Nike, Inc.Impact-attenuation members with lateral and shear force stability and products containing such members
US834803120 Sep 20108 Ene 2013Nike, Inc.Impact attenuating and spring elements and products containing such elements
US83654459 May 20085 Feb 2013K-Swiss, Inc.Shoe outsole having semicircular protrusions
US8387280 *2 Nov 20095 Mar 2013New Balance Athletic Shoe, Inc.Mechanical cushioning system for footwear
US846872011 May 201125 Jun 2013Nike, Inc.Midsole element for an article of footwear
US852245414 Nov 20113 Sep 2013Nike, Inc.Article of footwear with multi-layered support assembly
US8534648 *16 Sep 200817 Sep 2013Illinois Tool Works Inc.Load bearing surface
US855552928 Abr 201115 Oct 2013Adidas International Marketing B.V.Sole element for a shoe
US859017930 May 201326 Nov 2013K-Swiss, Inc.Shoe with protrusions and securing portions
US86315873 Dic 201221 Ene 2014Nike, Inc.Impact-attenuation members with lateral and shear force stability and products containing such members
US865077423 Feb 201218 Feb 2014Nike, Inc.Impact-attenuation members and products containing such members
US86894653 Dic 20128 Abr 2014Nike, Inc.Impact-attenuation members with lateral and shear force stability and products containing such members
US86894663 Dic 20128 Abr 2014Nike, Inc.Impact-attenuation members with lateral and shear force stability and products containing such members
US87200847 Ene 201313 May 2014Nike, Inc.Impact attenuating and spring elements and products containing such elements
US87200857 Ene 201313 May 2014Nike, Inc.Impact attenuating and spring elements and products containing such elements
US87265413 Dic 201220 May 2014Nike, Inc.Impact-attenuation members with lateral and shear force stability and products containing such members
US88814314 Feb 201311 Nov 2014K-Swiss, Inc.Shoe with protrusions and securing portions
US898477013 Ago 201424 Mar 2015Shlomo PiontkowskiFootwear with dynamic arch system
US90036796 Ago 200814 Abr 2015Nike, Inc.Customization of inner sole board
US901596226 Mar 201028 Abr 2015Reebok International LimitedArticle of footwear with support element
US916786412 Feb 201527 Oct 2015Shlomo PiontkowskiFootwear with dynamic arch system
US917349630 Sep 20083 Nov 2015Illinois Tool Works Inc.Load bearing surface
US920468711 Feb 20158 Dic 2015Shlomo PiontkowskiFootwear with dynamic arch system
US9215933 *12 Jun 200622 Dic 2015Illinois Tool Works Inc.Load bearing surface
US927154226 Oct 20121 Mar 2016Geoff McCueApparatus for damping an applied force
US939284226 Oct 201519 Jul 2016Shlomo PiontkowskiFootwear with dynamic arch system
US9392843 *21 Jul 200919 Jul 2016Reebok International LimitedArticle of footwear having an undulating sole
US9433256 *8 Jul 20106 Sep 2016Reebok International LimitedArticle of footwear and methods of making same
US945665731 Jul 20134 Oct 2016Nike, Inc.Article of footwear with support assembly having tubular members
US94860351 May 20148 Nov 2016Nike, Inc.Article of footwear with multi-layered support assembly
US95789226 Nov 200728 Feb 2017Newton Running Company, Inc.Sole construction for energy storage and rebound
US962941524 Jul 201225 Abr 2017Nike, Inc.Sole structure for an article of footwear
US980804626 Feb 20147 Nov 2017Nike, Inc.Customization of inner sole board
US20020184792 *3 May 200212 Dic 2002Fumio SugawaraFootwear bottom
US20040264386 *1 Nov 200230 Dic 2004Kyung-Lim HaCommunication integration system for establishing fittest communication route depending on information of user's communication terminals and calling method using the same
US20050050770 *23 Sep 200410 Mar 2005Kaj GyrDynamic canting and cushioning system for footwear
US20050262739 *1 Abr 20051 Dic 2005Nike, Inc.Article of footwear with an articulated sole structure
US20050268488 *7 Jun 20048 Dic 2005Hann Lenn RShoe apparatus with improved efficiency
US20060042120 *24 Ago 20042 Mar 2006Nike, Inc.Midsole element for an article of footwear
US20060064900 *27 Sep 200430 Mar 2006Nike, Inc.Impact attenuating devices and products containing such devices
US20060156580 *22 Dic 200520 Jul 2006Russell Brian ASole construction for energy storage and rebound
US20060201028 *10 Mar 200514 Sep 2006Chan Marya LMechanical cushioning system for footwear
US20060218820 *31 Mar 20055 Oct 2006Colin BadenElevated support matrix for a shoe and method of manufacture
US20060265902 *30 May 200630 Nov 2006Kenjiro KitaSole structure for a shoe
US20060267258 *12 Jun 200630 Nov 2006Illinois Tool Works Inc.Load bearing surface
US20060277791 *2 Jun 200514 Dic 2006Wolverine World Wide, Inc.Footwear sole
US20060277792 *18 May 200614 Dic 2006Wolverine World Wide, Inc.Footwear sole
US20070113425 *23 Nov 200524 May 2007Gary WakleyCushioning system for footwear
US20070119074 *5 Jun 200631 May 2007Nike, Inc.Impact-attenuation members and products containing such members
US20070144037 *8 Nov 200628 Jun 2007Russell Brian ASole construction for energy storage and rebound
US20070175066 *7 Jun 20052 Ago 2007Energy Management Athletics, LlcShoe apparatus with improved efficiency
US20070266593 *19 May 200622 Nov 2007Schindler Eric SArticle of Footwear with Multi-Layered Support Assembly
US20070277395 *5 Jun 20066 Dic 2007Nike, Inc.Impact-attenuation members with lateral and shear force stability and products containing such members
US20080092404 *21 Dic 200724 Abr 2008Nike, Inc.Midsole element for an article of footwer
US20080092405 *21 Dic 200724 Abr 2008Nike, Inc.Midsole element for an article of footwear
US20080098619 *28 Dic 20071 May 2008Smaldone Patricia LImpact Attenuating and Spring Elements and Products Containing such Elements
US20080148598 *13 Mar 200826 Jun 2008Wolverine World Wide, Inc.Footwear sole
US20080229617 *16 Ene 200825 Sep 2008Nike, Inc.Article Of Footwear Having A Sole Structure With An Articulated Midsole And Outsole
US20080256827 *14 Sep 200523 Oct 2008Tripod, L.L.C.Sole Unit for Footwear and Footwear Incorporating Same
US20080276491 *19 Sep 200613 Nov 2008Puma Aktiengesellschaft Rudolf Dassler SportShoe, Particularly an Athletic Shoe
US20080276494 *13 May 200813 Nov 2008David LacorazzaStable Footwear that Accommodates Shear Forces
US20080289224 *9 May 200827 Nov 2008K-Swiss Inc.Shoe outsole having semicircular protrusions
US20080313924 *7 Dic 200525 Dic 2008Tn & Co Di Lucio RighettoFootwear Sole and Footwear Having Said Sole
US20090013559 *19 May 200815 Ene 2009New Balance Athletic Shoe, Inc.Mechanical cushioning system for footwear
US20090020932 *16 Sep 200822 Ene 2009Illinois Tool Works Inc.Load bearing surface
US20090211114 *23 Oct 200627 Ago 2009Puma Aktiengesellschaft Rudolf Dassler SportShoe, in particular sports shoe
US20090241370 *24 Feb 20091 Oct 2009Mizuno CorporationSole structure for a shoe
US20090265868 *24 Oct 200829 Oct 2009Nike, Inc.Impact Attenuating Devices and Products Containing such Devices
US20100005685 *18 Sep 200914 Ene 2010Russell Brian ASole construction for energy and rebound
US20100031530 *6 Nov 200711 Feb 2010Newton Running Company, Inc.Sole construction for energy storage and rebound
US20100031531 *6 Ago 200811 Feb 2010Nike, Inc.Customization of Inner Sole Board
US20100083449 *11 Dic 20098 Abr 2010Nike, Inc.Midsole Element For An Article Of Footwear
US20100115791 *19 Ene 201013 May 2010Newton Running Company, Inc.Sole construction for energy storage and rebound
US20100126040 *2 Nov 200927 May 2010New Balance Athletic Shoe, Inc.Mechanical cushioning system for footwear
US20100146819 *10 Sep 200917 Jun 2010Skechers U.S.A., Inc. LlShoe
US20100192407 *2 Abr 20105 Ago 2010Nike, Inc.Impact-Attenuation Members and Products Containing Such Members
US20100205829 *26 Abr 201019 Ago 2010Nike, Inc.Article of Footwear with Multi-Layered Support Assembly
US20100263227 *29 Jun 201021 Oct 2010Nike, Inc.Impact-Attenuation Members With Lateral and Shear Force Stability and Products Containing Such Members
US20100263228 *25 Nov 200921 Oct 2010Kang Hyung ChulSole for shoes enabling exchange of shock-absorbing member
US20100275471 *22 Jul 20104 Nov 2010Skechers U.S.A., Inc. IiShoe
US20100307028 *7 May 20109 Dic 2010Skechers U.S.A. Inc. IiShoe
US20110005100 *20 Sep 201013 Ene 2011Nike, Inc.Impact Attenuating and Spring Elements and Products Containing Such Elements
US20110016746 *21 Jul 200927 Ene 2011Reebok International Ltd.Article of Footwear Having an Undulating Sole
US20110016749 *8 Jul 201027 Ene 2011Reebok International Ltd.Article Of Footwear And Methods Of Making Same
US20110314699 *24 Jun 201029 Dic 2011Richard ByrneFootwear With Rocker Sole
US20140305008 *9 Abr 201416 Oct 2014Anta (China) Co., Ltd.Shoe sole and footwear constituted thereof
USD66802920 Abr 20122 Oct 2012Reebok International LimitedPortion of a shoe
USD66925530 Abr 201223 Oct 2012Reebok International LimitedPortion of a shoe
USD6745812 May 201222 Ene 2013Reebok International LimitedShoe sole
USD67499616 May 201129 Ene 2013Reebok International LimitedPortion of a shoe
USD6749972 May 201229 Ene 2013Reebok International LimitedShoe sole
USD68556628 Sep 20129 Jul 2013Reebok International LimitedShoe
USD691787 *16 Ene 201322 Oct 2013Reebok International LimitedShoe sole
USD71313425 Ene 201216 Sep 2014Reebok International LimitedShoe sole
USD72242623 Mar 201217 Feb 2015Reebok International LimitedShoe
USD7647825 Ago 201430 Ago 2016Reebok International LimitedShoe sole
USD78103730 Dic 201414 Mar 2017Reebok International LimitedShoe sole
CN101616612B28 Nov 20078 Feb 2012耐克国际有限公司具有管状支撑结构的鞋类物品
CN104095350A *10 Abr 201315 Oct 2014安踏(中国)有限公司Sole and shoes with same
DE10234913A1 *31 Jul 200219 Feb 2004Adidas International Marketing B.V.Schuhsohle
DE10234913B4 *31 Jul 200210 Nov 2005Adidas International Marketing B.V.Schuhsohle
EP1386553A128 Mar 20034 Feb 2004adidas International B.V.Shoe sole
EP1728446A1 *14 Mar 20066 Dic 2006Wolverine World Wide, Inc.Footwear sole (trailspring II dual)
EP1847193A128 Mar 200324 Oct 2007adidas International Marketing B.V.Shoe sole
WO2001017384A2 *4 Sep 200015 Mar 2001Sung Woo Chemical Co., Ltd.Outsole of footwear
WO2001017384A3 *4 Sep 200010 May 2001Sung Woo Chemical Co LtdOutsole of footwear
WO2006024004A1 *24 Ago 20052 Mar 2006Nike, Inc.Midsole element for an article of footwear
WO2006032014A2 *14 Sep 200523 Mar 2006Tripod, L.L.C.Sole unit for footwear and footwear incorporating same
WO2006032014A3 *14 Sep 200526 May 2006Tripod L L CSole unit for footwear and footwear incorporating same
Clasificaciones
Clasificación de EE.UU.36/28, 36/114, 36/27
Clasificación internacionalA43B13/18
Clasificación cooperativaA43B13/206, A43B13/181
Clasificación europeaA43B13/18A, A43B13/20T
Eventos legales
FechaCódigoEventoDescripción
28 Mar 2002FPAYFee payment
Year of fee payment: 4
22 Mar 2006FPAYFee payment
Year of fee payment: 8
14 Abr 2010FPAYFee payment
Year of fee payment: 12